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Finding the Fourth Proportional to 2,615.64, 3,607.65 and 2,024.88

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Solution

The fourth proportional to 2,615.64, 3,607.65 and 2,024.88 is: 2,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.64 : 3,607.65 = 2,024.88 : x
  2. Step 2: Convert to fraction form
    2,615.64/3,607.65 = 2,024.88/x
  3. Step 3: Cross multiply
    2,615.64x = 3,607.65 × 2,024.88
  4. Step 4: Simplify right side
    2,615.64x = 7,305,058.33
  5. Step 5: Solve for x
    x = 7,305,058.33/2,615.64
  6. Step 6: Final answer
    x = 2,792.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.